feat: upgrade socket.io to v4

Signed-off-by: MiaoWoo <admin@yumc.pw>

packages/websocket/src/engine.io-parser/index.ts

@@ -1,9 +1,13 @@
-import { encodePacket } from "./encodePacket"
-import { decodePacket } from "./decodePacket"
+import encodePacket from "./encodePacket.js"
+import decodePacket from "./decodePacket.js"
+import { Packet, PacketType, RawData, BinaryType } from "./commons.js"
 
 const SEPARATOR = String.fromCharCode(30) // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text
 
-const encodePayload = (packets, callback) => {
+const encodePayload = (
+    packets: Packet[],
+    callback: (encodedPayload: string) => void
+) => {
     // some packets may be added to the array while encoding, so the initial length must be saved
     const length = packets.length
     const encodedPackets = new Array(length)
@@ -20,7 +24,10 @@ const encodePayload = (packets, callback) => {
     })
 }
 
-const decodePayload = (encodedPayload, binaryType) => {
+const decodePayload = (
+    encodedPayload: string,
+    binaryType?: BinaryType
+): Packet[] => {
     const encodedPackets = encodedPayload.split(SEPARATOR)
     const packets = []
     for (let i = 0; i < encodedPackets.length; i++) {
@@ -33,10 +40,14 @@ const decodePayload = (encodedPayload, binaryType) => {
     return packets
 }
 
-export default {
-    protocol: 4,
+export const protocol = 4
+export {
     encodePacket,
     encodePayload,
     decodePacket,
-    decodePayload
+    decodePayload,
+    Packet,
+    PacketType,
+    RawData,
+    BinaryType
 }